<da-layout-row [daGutter]="[24, 24]">
  <da-col-item [daSpan]="24">
    <div class="da-content-card">
      <div class="da-content-title">需求类型统计图</div>
      <d-echarts
        [options]="histogramData"
        height="20rem"
        class="da-histogram"
      ></d-echarts>
    </div>
  </da-col-item>
</da-layout-row>
